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A005702 formatted as a simple table:

n a(n)
1 1
2 1
3 1
4 0
5 2
6 2
7 4
8 8
9 18
10 120

[1,1,1,0,2,2,4,8,18,120]

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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